US7662402B2 - Nitrile compound and its use in pest control - Google Patents

Nitrile compound and its use in pest control Download PDF

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US7662402B2
US7662402B2 US10/584,402 US58440204A US7662402B2 US 7662402 B2 US7662402 B2 US 7662402B2 US 58440204 A US58440204 A US 58440204A US 7662402 B2 US7662402 B2 US 7662402B2
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nitrile compound
compound
malononitrile
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production example
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US20070112068A1 (en
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Daisuke Oohira
Ken Otaka
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Sumitomo Chemical Co Ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/34—Nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/10—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and halogen atoms, or nitro or nitroso groups, bound to the same acyclic carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/31—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing rings other than six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/02—Systems containing only non-condensed rings with a three-membered ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/04—Systems containing only non-condensed rings with a four-membered ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
    • C07C2601/08—Systems containing only non-condensed rings with a five-membered ring the ring being saturated
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated

Definitions

  • the present invention relates to a nitrile compound containing a fluoroalkyl group and its use in pest control.
  • JP-A 4-21652 and JP-A 6-116200 disclose a certain nitrile compound containing a fluoroalkyl group as an intermediate for producing an active component of an antiepileptic agent.
  • An object of the present invention is to provide a compound having an excellent controlling effect on a pest and use of the compound in pest control.
  • a nitrile compound represented by the following formula (I) had an excellent controlling activity on pests such as arthropods such as insects and mites, and nematodes, and then completed the present invention.
  • the present invention provides a nitrile compound represented by the formula (I):
  • R represents C1-C4 fluoroalkyl
  • Q represents halogen, C1-C11 alkyl optionally substituted with one or more halogen, C2-C6 alkenyl optionally substituted with one or more halogen, C2-C6 alkynyl optionally substituted with one or more halogen, C3-C7 cycloalkyl optionally substituted with one or more halogen or (C3-C7 cycloalkyl optionally substituted with one or more halogen) C1-C4 alkyl, (hereinafter, referred to as the present compound); a pesticidal composition comprising the present compound as an active ingredient, and a method of controlling a pest which comprises applying an effective amount of the present compound to said pest or a place where said pest inhabits.
  • FIG. 1 is a top view of a solid carrier used in Formulation Example 9.
  • FIG. 2 is a perspective view of a solid carrier used in Formulation Example 9.
  • FIG. 3 shows a paper having a foldable structure used in Formulation Example 13.
  • a folded paper (a) is spread out up to 180° with one of planar members as an axis and thereby, for example, one form (b) for use which comprises tubular structures is obtained.
  • FIG. 4 shows a paper having a foldable structure used in Formulation Example 14.
  • a folded paper (a) is spread by pulling apart planar members facing each other, and thereby one form (b) for use which comprises tubular structures is obtained.
  • FIG. 5 is a perspective view of a plastic cylinder used in Formulation Example 21, which has a height of 7 cm and a diameter of 8.3 cm and is equipped with an electric fan at the bottom thereof.
  • the numbers mean as follows; 1: a motor; 2: a fan; 3: the flow direction of air.
  • FIG. 6 shows an insecticidal device used in Experimental Example 26.
  • the numbers mean as follows; 4: pesticidal liquid for heat volatilization; 5: a heating element; 6: a wick absorbing liquid; 7: a container containing pesticidal liquid.
  • halogen represents fluorine, chlorine or bromine.
  • C1-C6 alkyl represents alkyl whose total number of carbon atoms is 1 to 6.
  • C1-C4 fluoroalkyl represents alkyl whose total number of carbon atoms is 1 to 4, in which one or more hydrogen atoms are substituted with a fluorine atom.
  • C3-C7 of “C3-C7 cycloalkyl” means that the total number of carbon atoms constituting the ring structure and carbon atoms of an alkyl group linked to the carbon atoms constituting said ring structure is 3 to 7.
  • the C1-C4 fluoroalkyl represented by R includes C1-C2 fluoroalkyl such as trifluoromethyl, 1-monofluoroethyl, 2-monofluoroethyl, 1,1-difluoroethyl, 2,2-difluoroethyl, 2,2,2-trifluoroethyl, 1,1,2,2-tetrafluoroethyl, 1,2,2,2-tetrafluoroethyl or 1,1,2,2,2-pentafluoroethyl; C3 fluoroalkyl such as 2-fluoropropyl, 3-fluoropropyl, 1,1-difluoropropyl, 2,2-difluoropropyl, 2,3-difluoropropyl, 3,3-difluoropropyl, 1,2,2-trifluoropropyl, 2,2,3-trifluoropropyl, 3,3,3-trifluoropropyl, 1,1,2,2-te
  • the halogen represented by Q includes fluorine, chlorine and bromine.
  • the C1-C11 alkyl optionally substituted with one or more halogen represented by Q includes methyl, ethyl, propyl, isopropyl, butyl, isobutyl, 2-methylpropyl, 1,1-dimethylethyl, pentyl, isopentyl, neopentyl, hexyl, isohexyl, 3,3-dimethylbutyl, heptyl, octyl, nonyl, decyl, monofluoromethyl, difluoromethyl, trifluoromethyl, monochloromethyl, dichloromethyl, trichloromethyl, monobromomethyl, 1-monofluoroethyl, 2-monofluoroethyl, 1-monochloroethyl, 2-monochloroethyl, 1-monobromoethyl, 2-monobromoethyl, 1,1-difluoroethyl, 2,
  • the C2-C6 alkenyl optionally substituted with one or more halogen represented by Q includes vinyl, allyl, 1-propenyl, 2-methyl-1-propenyl, 2-methyl-2-propenyl, 3-butenyl, 2-butenyl, 1-butenyl, 3-methyl-2-butenyl, 4-pentenyl, 3-pentenyl, 2-pentenyl, 1-pentenyl, 4-methyl-3-pentenyl, 5-hexenyl, 4-hexenyl, 3-hexenyl, 2-hexenyl, 1-hexenyl, 1-fluorovinyl, 2-fluorovinyl, 1-chlorovinyl, 2-chlorovinyl, 2,2-difluorovinyl, 2,2-dichlorovinyl, 2,2-dibromovinyl, 2,3,3-trifluro-2-propenyl, 3,3,3-trifluoro-1-propenyl, 4,4-dibromo-3-buten
  • the C2-C6 alkynyl optionally substituted with one or more halogen represented by Q includes ethynyl, 1-propynyl, 2-propynyl, 1-butynyl, 2-butynyl, 3-butynyl, 1-pentynyl, 2-pentynyl, 3-pentynyl, 4-pentynyl, 1-hexynyl, 2-hexynyl, 3-hexynyl, 4-hexynyl, 5-hexynyl, 4,4,4-trifluoro-2-butynyl and 3-chloro-2-propynyl.
  • the C3-C7 cycloalkyl optionally substituted with one or more halogen represented by Q includes cyclopropyl, 1-methylcyclopropyl, 2-methylcyclopropyl, 2,2-dimethylcyclopropyl, 2,3-dimethylcyclopropyl, 2,2,3-trimethylcyclopropyl, 2,2,3,3-tetramethylcyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, 1-fluorocyclopropyl, 2-fluorocyclopropyl, 2,2-difluorocyclopropyl, 2,2,3-trifluorocyclopropyl, 2,2,3,3-tetrafluorocyclopropyl, 2,2-dichlorocyclopropyl, 4-(trifluoromethyl)cyclohexyl, 3-(fluoromethyl)cyclohexyl and 2,2,3,3-tetrachlorocyclopropyl.
  • the (C3-C7 cycloalkyl optionally substituted with one or more halogen) C1-C4 alkyl represented by Q includes cyclopropylmethyl, 2-(cyclopropyl)ethyl, 3-(cyclopropyl)propyl, (1-methylcyclopropyl)methyl, 2-(1-methylcyclopropyl)ethyl, 3-(1-methylcyclopropyl)propyl, cyclobutylmethyl, 2-(cyclobutyl)ethyl, 3-(cyclobutyl)propyl, (2-fluorocyclopropyl)methyl, 1-(2-fluorocyclopropyl)ethyl, 2-(1-fluorocyclopropyl)ethyl, 2-(2-fluorocyclopropyl)ethyl, (2,2-difluorocyclopropyl)methyl, 2-(2,2-difluorocyclopropyl)ethyl, 1-(2,2-difluor
  • aspects of the present compound include, for example, the following compounds:
  • R is C2-C4 fluoroalkyl having 3 to 5 fluorine atoms and Q is C4-C6 alkyl optionally substituted with one or more fluorine atoms;
  • R is C3-C4 fluoroalkyl having 6 to 8 fluorine atoms and Q is C4-C6 alkyl optionally substituted with one or more fluorine atoms;
  • R is C2-C4 fluoroalkyl having 3 to 5 fluorine atoms and Q is C4-C6 alkyl having 6 to 8 fluorine atoms;
  • R is C3-C4 fluoroalkyl having 6 to 8 fluorine atoms and Q is C3-C4 alkyl optionally substituted with one or more fluorine atoms;
  • R is C2-C4 fluoroalkyl having 3 to 5 fluorine atoms and Q is C3-C4 alkyl optionally substituted with one or more fluorine atoms;
  • nitrile compound of the formula (I) in which R is C2-C3 fluoroalkyl substituted by at least two fluorine atoms in 2-position and Q is (C3-C5fluorocycloalkyl)methyl;
  • nitrile compound of the formula (I) in which R is C2-C3 fluoroalkyl substituted by more than two fluoro atoms at least in 2-position and Q is 4,4-difuruorocyclohexyl;
  • nitrile compound of the formula (I) in which R is C2-C3 fluoroalkyl substituted by at least two fluorine atoms at least in 2-position and Q is 1,1,2,2,3,3,4,4-octafluorobutyl;
  • the present compound can be produced, for example, by any of the following (process 1) to (process 5).
  • the present compound can be produced by reacting a compound (a) with a compound (b):
  • R represents C1-C4 fluoroalkyl
  • Q represents halogen, C1-C11 alkyl optionally substituted with one or more halogen, C2-C6 alkenyl optionally substituted with one or more halogen, C2-C6 alkynyl optionally substituted with one or more halogen, C3-C7 cycloalkyl optionally substituted with one or more halogen or (C3-C7 cycloalkyl optionally substituted with one or more halogen) C1-C4 alkyl, and X 1 represents bromine, iodine, methanesulfonyloxy, toluenesulfonyloxy or trifluoromethanesulfonyloxy.
  • the reaction is usually performed in a solvent in the presence of a base.
  • a solvent used in the reaction includes aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane, aromatic hydrocarbon such as toluene, xylene or mesitylene, ether such as diethyl ether, methyl tert-butyl ether, tetrahydrofuran or 1,4-dioxane, acid amide such as N,N-dimethylformamide, dialkyl sulfoxide such as dimethyl sulfoxide, and a mixture thereof.
  • aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane
  • aromatic hydrocarbon such as toluene
  • ether such as diethyl ether, methyl tert-butyl ether, tetrahydrofuran or 1,4-dioxane
  • acid amide such as N,
  • a base used in the reaction includes carbonate such as sodium carbonate or potassium carbonate, alkali metal hydride such as sodium hydride, and tertiary amine such as triethylamine or diisopropylethylamine.
  • the amount of the compound (a) used in the reaction is usually 1 to 10 moles per 1 mole of the compound (b).
  • the amount of a base used in the reaction is usually 1 to 10 moles per 1 mole of the compound (b).
  • the reaction temperature is usually in the range form ⁇ 20 to 100° C.
  • the reaction time is usually in the range from 0.1 to 24 hours.
  • the present compound can be isolated by subjecting the reaction mixture to post-treatment such as adding the reaction mixture into water, extracting with an organic solvent, concentrating the extract and the like.
  • the isolated present compound may be purified by chromatography, recrystallization or the like, if necessary.
  • the present compound can be produced by reacting a compound (c) with a compound (d):
  • R and Q are as defined above and X 2 represents bromine, iodine, methanesulfonyloxy, toluenesulfonyloxy or trifluoromethanesulfonyloxy.
  • the reaction is usually performed in a solvent in the presence of a base.
  • a solvent used in the reaction includes aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane, aromatic hydrocarbon such as toluene, xylene or mesitylene, ether such as diethyl ether, methyl tert-butyl ether, tetrahydrofuran or 1,4-dioxane, acid amide such as N,N-dimethylformamide, dialkyl sulfoxides such as dimethyl sulfoxide, and a mixture thereof.
  • aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane
  • aromatic hydrocarbon such as toluene
  • ether such as diethyl ether, methyl tert-butyl ether, tetrahydrofuran or 1,4-dioxane
  • acid amide such as N,
  • a base used in the reaction includes carbonate such as sodium carbonate or potassium carbonate, alkali metal hydride such as sodium hydride, and tertiary amine such as triethylamine or diisopropylethylamine.
  • the amount of the compound (d) used in the reaction is usually 1 to 10 moles per 1 mole of the compound (c).
  • the amount of a base used in the reaction is usually 1 to 10 moles per 1 mole of the compound (c).
  • the reaction temperature is usually in the range from ⁇ 20 to 100° C.
  • the reaction time is usually in the range from 0.1 to 24 hours.
  • the present compound can be isolated by subjecting the reaction mixture to post-treatment such as adding the reaction mixture into water, extracting with an organic solvent, concentrating the extract and the like.
  • the isolated present compound may be purified by chromatography, recrystallization or the like, if necessary.
  • a compound (II) in which Q and R are the same C1-C4 fluoroalkyl group can be also produced by reacting a compound (e) with malononitrile:
  • R 1 and Q 1 represent the same C1-C4 fluoroalkyl group and X 3 represents chlorine, bromine, iodine, methanesulfonyloxy, toluenesulfonyloxy or trifluoromethanesulfonyloxy.
  • the reaction is usually performed in a solvent in the presence of a base.
  • a solvent used in the reaction includes aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane, aromatic hydrocarbon such as toluene, xylene or mesitylene, ether such as diethyl ether, methyl tert-butyl ether, tetrahydrofuran or 1,4-dioxane, acid amide such as N,N-dimethylformamide, dialkyl sulfoxides such as dimethyl sulfoxide, and a mixture thereof.
  • aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane
  • aromatic hydrocarbon such as toluene
  • ether such as diethyl ether, methyl tert-butyl ether, tetrahydrofuran or 1,4-dioxane
  • acid amide such as N,
  • a base used in the reaction includes carbonate such as sodium carbonate or potassium carbonate, alkali metal hydride such as sodium hydride, and tertiary amine such as triethylamine or diisopropylethylamine.
  • the amount of malononitrile used in the reaction is usually 0.3 to 1 moles per 1 mole of the compound (e).
  • the amount of a base used in the reaction is usually 0.6 to 5 moles per 1 mole of the compound (e).
  • the reaction temperature is usually in the range from ⁇ 20 to 100° C.
  • the reaction time is usually in the range from 0.1 to 36 hours.
  • the present compound can be isolated by subjecting the reaction mixture to post-treatment such as adding the reaction mixture into water, extracting with an organic solvent, concentrating the extract and the like.
  • the isolated compound (II) may be purified by chromatography, recrystallization or the like, if necessary.
  • a compound (III) can be also produced by reacting a compound (c) with a compound (f):
  • X 4 represents C1-C10 perfluoroalkyl and X 5 represents halogen.
  • the reaction is usually performed in a solvent in the presence of a base.
  • a solvent used in the reaction includes aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane, aromatic hydrocarbon such as toluene, xylene or mesitylene, ether such as diethyl ether, methyl tert-butyl ether, tetrahydrofuran or 1,4-dioxane, acid amide such as N,N-dimethylformamide, dialkyl sulfoxides such as dimethyl sulfoxide, and a mixture thereof.
  • aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane
  • aromatic hydrocarbon such as toluene
  • ether such as diethyl ether, methyl tert-butyl ether, tetrahydrofuran or 1,4-dioxane
  • acid amide such as N,
  • a base used in the reaction includes carbonate such as sodium carbonate or potassium carbonate, fluoride such as potassium fluoride or tetrabutylammonium fluoride, alkali metal hydride such as sodium hydride, and tertiary amine such as triethylamine or diisopropylethylamine.
  • the amount of the compound (f) used in the reaction is usually 1 to 10 moles per 1 mole of the compound (c).
  • the amount of a base used in the reaction is usually 0.1 to 5 moles, preferably 0.6 to 5 moles, per 1 mole of the compound (c).
  • the reaction temperature is usually in the range from ⁇ 20 to 100° C.
  • the reaction time is usually in the range from 0.1 to 36 hours.
  • the present compound can be isolated by subjecting the reaction mixture to post-treatment such as adding the reaction mixture into water, extracting with an organic solvent, concentrating the extract and the like.
  • the isolated compound (III) may be purified by chromatography, recrystallization or the like, if necessary.
  • a compound (IV) can be also produced by reacting a compound (g) with a fluorinating agent:
  • X 6 represents oxoC1-C11 alkyl, hydroxyC1-C11 alkyl, oxoC3-C6 alkenyl, hydroxyC3-C6 alkenyl, oxoC4-C6 alkynyl, hydroxyC4-C6 alkynyl, oxoC3-C7 cycloalkyl, hydroxyC3-C7 cycloalkyl, oxo(C3-C7 cycloalkyl)C1-C4 alkyl or hydroxyl(C3-C7 cycloalkyl)C1-C4 alkyl, and X 7 represents fluoroC1-C11 alkyl, fluoroC3-C6 alkenyl, fluoroC4-C6 alkynyl, fluoroC3-C7 alkyl, or fluoro(C3-C7 cycloalkyl)C1-C4 alkyl.
  • the reaction is performed in the presence or the absence of a solvent.
  • a solvent used in the reaction includes aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane, halogenated hydrocarbon such as carbon tetrachloride, chloroform or dichloromethane, and a mixture thereof.
  • a fluorinating agent used in the reaction includes diethylaminosulfur trifluoride and 2-chloro-1,1,2-trifluoroethyl-diethylamine.
  • the amount of a fluorinating agent used in the reaction is usually 1 to 10 moles per 1 mole of the compound (g).
  • the reaction temperature is usually in the range from ⁇ 20 to 100° C.
  • the reaction time is usually in the range from 0.1 to 36 hours.
  • reaction mixture may be poured into water and extracted with an organic solvent.
  • organic layer may be subjected to posttreatment such as drying and concentration to isolate the compound (IV).
  • the isolated compound (IV) may be purified by chromatography, recrystallization or the like, if necessary.
  • the compound (b) can be produced, for example, by reacting a compound (d) with malononitrile:
  • the reaction is usually performed in a solvent in the presence of a base.
  • a solvent used in the reaction includes aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane, aromatic hydrocarbon such as toluene, xylene or mesitylene, ether such as diethyl ether, methyl tert-butyl ether, tetrahydrofuran or 1,4-dioxane, acid amide such as N,N-dimethylformamide, and a mixture thereof.
  • aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane
  • aromatic hydrocarbon such as toluene
  • ether such as diethyl ether, methyl tert-butyl ether, tetrahydrofuran or 1,4-dioxane
  • acid amide such as N,N-dimethylformamide
  • a base used in the reaction includes carbonate such as sodium carbonate or potassium carbonate, alkali metal hydride such as sodium hydride, and tertiary amine such as triethylamine or diisopropylethylamine.
  • the amount of malononitrile used in the reaction is usually 0.5 to 10 moles, preferably 0.5 to 1 mole, per 1 mole of the compound (d).
  • the amount of a base used in the reaction is usually 0.5 to 5 moles per 1 mole of the compound (d).
  • the reaction temperature is usually in the range form ⁇ 20 to 100° C.
  • the reaction time is usually in the range from 0.1 to 24 hours.
  • the present compound can be isolated by subjecting the reaction mixture to post-treatment such as adding the reaction mixture into water, extracting with an organic solvent, concentrating the extract and the like.
  • the isolated compound (b) may be purified by chromatography, recrystallization or the like, if necessary.
  • the compound (c) can be produced, for example, by reacting a compound (a) with malononitrile:
  • R and X 1 are as defined above.
  • the reaction is usually performed in a solvent in the presence of a base.
  • a solvent used in the reaction includes aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane, aromatic hydrocarbon such as toluene, xylene or mesitylene, ether such as diethyl ether, methyl tert-butyl ether, tetrahydrofuran or 1,4-dioxane, acid amide such as N,N-dimethylformamide, and a mixture thereof.
  • aliphatic hydrocarbon such as hexane, heptane, octane or cyclohexane
  • aromatic hydrocarbon such as toluene
  • ether such as diethyl ether, methyl tert-butyl ether, tetrahydrofuran or 1,4-dioxane
  • acid amide such as N,N-dimethylformamide
  • a base used in the reaction includes carbonate such as sodium carbonate or potassium carbonate, alkali metal hydride such as sodium hydride, and tertiary amine such as triethylamine or diisopropylethylamine.
  • the amount of malononitrile used in the reaction is usually 0.5 to 10 moles, preferably 0.5 to 1 mole, per 1 mole of the compound (a).
  • the amount of a base used in the reaction is usually 0.5 to 5 moles per 1 mole of the compound (a).
  • the reaction temperature is usually in the range form ⁇ 20 to 100° C.
  • the reaction time is usually in the range from 0.1 to 24 hours.
  • the present compound can be isolated by subjecting the reaction mixture to post-treatment such as adding the reaction mixture into water, extracting with an organic solvent, concentrating the extract and the like.
  • the isolated compound (c) may be purified by chromatography, recrystallization or the like, if necessary.
  • the compound (c) can be also produced by a process described in J. Chem. Soc. Perkin Trans. 1, 2589-2592(1991).
  • Pests against which the present compound has controlling effect include harmful arthropods such as insects and mites, and harmful nematodes. More specifically, examples thereof are listed below.
  • the pesticidal composition of the present invention may be the present compound itself, it is usually formulated into a preparation by mixing with a solid carrier, a liquid carrier and/or a gaseous carrier and, further, if necessary, adding a surfactant and other adjuvants for formulation. That is, the pesticidal composition of the present invention usually contains the present compound and further contains an inert carrier.
  • Such a preparation includes an emulsion, an oil, a shampoo preparation, a flowable preparation, a powder, a wettable agent, a granule, a paste, a microcapsule, a foam, an aerosol, a carbon dioxide gas preparation, a tablet, a resin preparation, a paper preparation, a nonwoven fabric preparation, and a knitted or woven fabric preparation.
  • These preparations may be used in the form of a poison bait, a pesticide coil, an electric pesticide mat, a smoking preparation, a fumigant, or a sheet.
  • a preparation of the pesticidal composition of the present invention contains usually 0.01 to 98% by weight of the present compound.
  • a solid carrier used for formulation includes finely-divided powder or granules of clay (e.g., kaolin clay, diatomaceous earth, bentonite, Fubasami clay, acid clay, etc.), synthetic hydrated silicon oxide, talc, ceramics, other inorganic minerals (e.g., sericite, quartz, sulfur, activated carbon, calcium carbonate, hydrated silica, etc.) or chemical fertilizers (e.g., ammonium sulfate, ammonium phosphate, ammonium nitrate, ammonium chloride, urea, etc.); a substance which is in the solid form at normal temperature (e.g., 2,4,6-triisopropyl-1,3,5-trioxane, naphthalene, p-dichlorobenzene, camphor, adamantan, etc.); wool; silk; cotton; hemp; pulp; synthetic resins (e.g., polyethylene resins such as low-density polyethylene, straight
  • a liquid carrier includes aromatic or aliphatic hydrocarbons (e.g., xylene, toluene, alkylnaphthalene, phenylxylylethane, kerosine, gas oil, hexane, cyclohexane, etc.), halogenated hydrocarbons (e.g., chlorobenzene, dichloromethane, dichloroethane, trichloroethane, etc.), alcohols (e.g., methanol, ethanol, isopropyl alcohol, butanol, hexanol, benzyl alcohol, ethylene glycol, etc.), ethers (e.g., diethyl ether, ethylene glycol dimethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol monomethyl ether, tetrahydrofuran, dioxane, etc.), esters (e.g., ethyl
  • a gaseous carrier includes butane gas, chlorofluoro carbon gas, liquefied petroleum gas (LPG), dimethyl ether, and carbonic acid gas.
  • LPG liquefied petroleum gas
  • a surfactant includes alkyl sulfate ester salts, alkyl sulfonates, alkyl aryl sulfonates, alkyl aryl ethers and polyoxyethylenated products thereof, polyethylene glycol ethers, polyvalent alcohol esters and sugar alcohol derivatives.
  • adjuvants for formulation include binders, dispersants and stabilizers, specifically, for example, casein, gelatin, polysaccharides (e.g., starch, gum arabic, cellulose derivatives, alginic acid, etc.), lignin derivatives, bentonite, sugars, synthetic water-soluble polymers (e.g., polyvinyl alcohol, polyvinylpyrrolidone, polyacrylic acid, etc.), PAP (acidic isopropyl phosphate), BHT (2,6-di-t-butyl-4-methylphenol), BHA (a mixture of 2-t-butyl-4-methoxyphenol and 3-t-butyl-4-methoxyphenol), vegetable oils, mineral oils, fatty acids and fatty acid esters.
  • binders specifically, for example, casein, gelatin, polysaccharides (e.g., starch, gum arabic, cellulose derivatives, alginic acid, etc.), lignin derivatives, bentonite,
  • a base material for a resin preparation includes polyethylene resins such as low-density polyethylene, straight low-density polyethylene and high-density polyethylene; ethylene-vinyl ester copolymers such an ethylene-vinyl acetate copolymers; ethylene-methacrylic acid ester copolymers such as ethylene-methyl methacrylate copolymers and ethylene-ethyl methacrylate copolymers; ethylene-acrylic acid ester copolymers such as ethylene-methyl acrylate copolymers and ethylene-ethyl acrylate copolymers; ethylene-vinylcarboxylic acid copolymers such as ethylene-acrylic acid copolymers; ethylene-tetracyclododecene copolymers; polypropylene resins such as propylene copolymers and propylene-ethylene copolymers; poly-4-methylpentene-1, polybutene-1, polybutadiene, polystyrene
  • base materials may be used alone or as a mixture of two or more.
  • a plasticizer such as phthalic acid ester (e.g., dimethyl phthalate, dioctyl phthalate, etc.), adipic acid ester or stearic acid may be added to these base materials, if necessary.
  • the resin preparation can be obtained by kneading the present compound into the base material, followed by molding such as injection molding, extrusion molding or press molding.
  • the resulting resin preparation may be formed into the shape of a plate, a film, a tape, a net, a string or the like via a further step of molding, cutting, or the like, if necessary.
  • These resin preparations may be used in the form of an animal collar, an animal ear tag, a sheet preparation, a lead, or a horticultural post.
  • a base material of a poison bait includes cereal powder, vegetable oil, sugar and crystalline cellulose.
  • An antioxidant such as dibutylhydroxytoluene or nordihydroguairetic acid, a preservative such as dehydroacetic acid, an agent for preventing children or pets from erroneously eating such as hot pepper powder, and a pest-attractive perfume such as cheese perfume, onion perfume or peanut oil may be added to the base material, if necessary.
  • the present compound can be used in pest control by applying an effective amount of the present compound to pests directly and/or habitats of pests (e.g., plants, animals, soil, etc.).
  • pests e.g., plants, animals, soil, etc.
  • the application amount is usually 1 to 100,000 g/ha, preferably 10 to 1,000 g/ha of the present compound.
  • the pesticidal composition of the present invention is the form of an emulsion, a wettable agent, a flowable agent, or a microcapsule, it is usually used after dilution with water so as to have an active ingredient concentration of 0.01 to 1,000 ppm.
  • the pesticidal composition of the present invention is the form of oil, powder or a granule, it is usually used as it is.
  • preparations may be sprayed as they are to plants to be protected from pests, or may be diluted with water and then sprayed to a plant to be protected from pests.
  • Soil can be treated with these preparations to control pests living in the soil. Seedbeds before planting or planting holes or plant feet in planting can be also treated with these preparations.
  • a sheet preparation of the pesticidal composition of the present invention may be applied by winding around plants, disposing in the vicinity of plants, laying on the soil surface at the plant feet, or the like.
  • the application amount is usually 0.001 to 100 mg/m 3 of the present compound for application to space, and 0.001 to 1,000 mg/m 2 of the present compound for application to a plane.
  • the pesticidal composition in the form of an emulsion, wettable agent or a flowable agent is usually applied after dilution with water so as to contain usually 0.001 to 100,000 ppm, preferably 0.01 to 1,000 ppm of the present compound.
  • the pesticidal composition in the form of an oil, an aerosol, a smoking preparation or a poison bait is usually applied as it is.
  • the pesticidal composition in the form of pesticide coil, or an electric pesticide mat is applied by emitting the active ingredient by heating depending on its form.
  • the pesticidal composition in the form of a resin preparation, a paper preparation, a tablet, a nonwoven fabric preparation, a knitted or woven fabric preparation or a sheet preparation can be applied, for example, by leaving the preparation as it is in a space to be applied and by sending air to the preparation.
  • a space to which the pesticidal composition of the present invention is applied for prevention of epidemics includes a closet, a Japanese-style closet, a Japanese-style chest, a cupboard, a lavatory, a bathroom, a lumber room, a living room, a dining room, a warehouse, and the car inside.
  • the pesticidal composition may be also applied in outdoor open space.
  • the pesticidal composition of the present invention When used for controlling parasites living outside of a livestock such as a cow, a horse, a pig, a sheep, a goat or a chicken, or a small animal such as a dog, a cat, a rat or a mouse, it can be used for said animal by a known method in the veterinary filed.
  • a livestock such as a cow, a horse, a pig, a sheep, a goat or a chicken
  • a small animal such as a dog, a cat, a rat or a mouse
  • the pesticidal composition is administered, for example, as a tablet, a mixture with feed, a suppository or an injection (e.g., intramuscularly, subcutaneously, intravenously, intraperitoneally, etc.).
  • a method of using the pesticidal composition of the present invention includes spraying, pour-on treatment or a spot-on treatment with the pesticidal composition in the form of an oil or an aqueous liquid, washing an animal with the pesticidal composition in the form of a shampoo preparation, and attachment of a collar or a ear tag made of the pesticidal composition in the form of a resin preparation to an animal.
  • the amount of the present compound is usually in the range of 0.01 to 1,000 mg per 1 kg body weight of the animal.
  • the pesticidal composition of the present invention may be used in admixture or combination with other insecticides, nematocides, acaricides, fungicides, herbicides, plant growth regulators, synergists, fertilizers, soil conditioners, animal feed, and the like.
  • the active ingredient of such insecticide or acaricide includes pyrethroid compounds such as allethrin, tetramethrin, prallethrin, phenothrin, resmethrin, cyphenothrin, permethrin, cypermethrin, alpha-cypermethrin, zeta-cypermethrin, deltamethrin, tralomethrin, cyfluthrin, beta-cyfluthrin, cyhalothrin, lambda-cyhalothrin,a flumethrin, imiprothrin, etofenprox, fenvalerate, esfenvalerate, fenpropathrin, silafluofen, bifenthrin, transfluthrin, flucythrinate, tau-fluvalinate, acrinathrin, tefluthrin, cycloprothr
  • the active ingredient of such fungicide includes strobilurin compounds such as azoxystrobin; organic phosphorus compounds such as tolclofos-methyl; azole compounds such as metconazole, hexaconazole, ipconazole, sipconazole, triflumizole, pefurazoate and difenoconazole; iodopropargyl compounds such as IPBC; isothiazolone compounds such as OIT and MEC; fthalide; flutolanil; validamycin; probenazole; diclomezine; pencycuron; dazomet; kasugamycin; IBP; pyroquilon; oxolinic acid; tricyclazole; ferimzone; mepronil; EDDP; isoprothiolane; carpropamid; diclocymet; furametpyr; fludioxonil; procymidone; and diethofencarb.
  • strobilurin compounds such as
  • cis-2-(3-difluoromethylcyclohexyl)methyl]-2-(3,3,3-trifluoropropyl)malononitrile (hereinafter, referred to as the present compound (87)) was obtained according to Production Example 60 except that 0.18 g of cis-2-(3-formylcyclohexyl)methyl-2-(3,3,3-trifluoropropyl)malononitrile was used in place of 2-(5-oxopentyl)-2-(3,3,3-trifluoropropyl)malononitrile.
  • 0.12 g of cis-2-(3-fluoromethylcyclohexyl)methyl]-2-(3,3,3-trifluoropropyl)malononitrile (hereinafter, referred to as the present compound (88)) was obtained according to Production Example 55 except that 0.32 g of cis-2-(3-hydroxymethylcyclohexyl)methyl-2-(3,3,3-trifluoropropyl)malononitrile was used in place of 2-(5-hydroxypentyl)-2-(3,3,3-trifluoropropyl)malononitrile.
  • a compound represent by the formula (I):
  • the organic layer was washed successively with water, aqueous saturated sodium hydrogen carbonate and aqueous saturated sodium chloride, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure to obtain 4.7 g of 2,2,3,3,4,4,5,5,5-nonafluoropentyl trifluoromethanesulfonate.
  • ethyl cis-3-(2,2-dicyano-5,5,5-trifluoropentyl)cyclohexanecarboxylate was obtained according to Production Example 84 except that 1.1 g of ethyl cis-3-bromomethylcyclohexanecarboxylate was used in place of 4-bromomethyl-1,1-difluorocyclohexane.
  • SORPOL 5060 registered trade name for TOHO Chemical Industry Co., LTD.
  • CARPLEX #80 registered trade name for Shionogi & Co., Ltd., synthetic anhydrous silicon oxide fine powder
  • 23 parts of 300 mesh diatomaceous earth are added thereto and mixed with a juice mixer to obtain a wettable preparation.
  • An aerosol container is charged with 0.6 parts of any one of the present compounds (1) to (96), 0.01 part of BHT, 5 parts of xylene, a mixture of 3.39 parts of a deodorized kerosine and 1 part of an emulsifying agent [Atmos 300 (registered trade name for Atmos Chemical Ltd.)] and 50 parts of distilled water.
  • a valve part is attached to the container and the container is then charged with 40 parts of a propellant (LPG) through the valve under increased pressure to obtain an aqueous aerosol.
  • LPG propellant
  • a paperware with a honeycomb structure and with 0.5 cm (thickness) ⁇ 69 cm (length) ⁇ 0.2 cm (width) is rolled from one end of the paper to make a carrier with a diameter of 5.5 cm and a width of 0.2 cm (see FIG. 1 and FIG. 2 ).
  • 5 Parts of any one of the present compounds (1) to (96) is dissolved in 95 parts of acetone.
  • An appropriate amount of the resultant solution is applied to said carrier uniformly and acetone is then air-dried to obtain a preparation.
  • a circle with a diameter of 5 cm is cut out from a three dimensional knitted fabric (trade name: Fusion, type: AKE69440, produced by Asahi Kasei Fibers Corporation, thickness: 4.3 mm, weight: 321 g/m 2 , made of polyamide). 5 Parts of any one of the present compounds (1) to (96) is dissolved in 95 parts of acetone. An appropriate amount of the solution is applied to said circle of the three dimensional knitted fabric uniformly and acetone is then air-dried to obtain a preparation.
  • a three dimensional knitted fabric trade name: Fusion, type: AKE69440, produced by Asahi Kasei Fibers Corporation, thickness: 4.3 mm, weight: 321 g/m 2 , made of polyamide.
  • 0.5 g of any one of the present compounds (1) to (96) is dissolved in 20 ml of acetone and then mixed uniformly together with 99.4 g of a mosquito coil carrier [a mixture of tabu powder (powder of Machilus thunbergii): dregs powder (powder of parts other than the active component of pyrethrum): wood powder at a weight ratio of 4:3:3] and 0.3 g of a green pigment by stirring. Thereto 120 ml of water is added. The mixture is kneaded thoroughly, molded, and then dried to obtain a mosquito coil.
  • a mosquito coil carrier a mixture of tabu powder (powder of Machilus thunbergii): dregs powder (powder of parts other than the active component of pyrethrum): wood powder at a weight ratio of 4:3:3
  • a uniform mixture of 200 mg of any one of the present compounds (1) to (96) and 4000 mg of 2,4,6-triisopropyl-1,3,5-trioxane is compressed (4 t/cm 2 ) into a disc (diameter: 3 cm, thickness: 3 mm) to obtain a tablet.
  • a filter paper having a diameter of 5.5 cm was spread on the bottom of a polyethylene cup having a diameter of 5.5 cm and 0.7 ml of the experimental pesticidal solution was added dropwise onto the filter paper.
  • As a bait 30 mg of sucrose was uniformly placed on the filter paper.
  • 10 female Musca domestica imagoes were released and the cup was sealed with a lid. After 24 hours, the number of surviving Musca domestica was examined and the death rate of the pest was calculated.
  • a filter paper having a diameter of 5.5 cm was spread on the bottom of a polyethylene cup having a diameter of 5.5 cm and 0.7 ml of the experimental pesticidal solution was added dropwise onto the filter paper.
  • two male Blattalla germanica imagoes were released and the cup was sealed with a lid. After 6 days, the number of surviving Blattalla germanica was examined and the death rate of the pest was calculated.
  • Acetone solutions containing 0.057% (w/v) of the present compounds (20), (23), (24), (30), (31), (35) and (37) were prepared.
  • 0.2 ml of the solution was added dropwise uniformly and air-dried (corresponding to treatment with 100 mg/m 2 of the present compound).
  • About 20 imagoes of Ctenocephalised felis were released into a 200 mL glass bottle. The bottle was sealed with a lid whose inside the filter paper was set. After 24 hours, the number of surviving Ctenocephalised felis was examined and the death rate of the pest was calculated.
  • the death rate of the pest was 80% or more.
  • Spot-on preparations of the present compounds (23), (24), (30) and (31) were prepared according to Formulation Example 21.
  • This mouse was put into a wire bag slightly larger than the size of the mouse so that it could not move about.
  • This mouse was placed in a 900 mL glass bottle in which a filter paper was spread on the bottom, and 20 imagoes of Ctenocephalised felis were released into the glass bottle. The upper side of the glass bottle was covered with a nylon net. After 24 hours, the number of surviving Ctenocephalised felis was examined and the death rate of the pest was calculated.
  • the death rate of the pest was 95% or more.
  • a 0.25% (w/v) solution of the present compound (31) in methanol was prepared.
  • the death rate of the pest was 100%.
  • a 2% (w/v) solution of the present compound (31) in acetone was prepared. Onto a filter paper with 10 cm ⁇ 12.5 cm, 2.5 ml of the solution was added dropwise uniformly and then air-dried. This filter paper was suspended from the center of the ceiling of a glass chamber with 70 cm (width) ⁇ 70 cm (depth) ⁇ 70 cm (height) and therein 20 imagoes of Megaselia spiracularis were released. After 2 hours, all test pests were collected, put in a plastic cup together with absorbent cotton impregnated with 5% sugar water, and then left at 25° C. After 24 hours, the number of surviving Megaselia spiracularis was examined and the death rate was calculated.
  • the death rate of the pest was 100%.
  • a 2% (w/v) solution of the present compound (31) in acetone was prepared. Onto a filter paper with 10 cm ⁇ 12.5 cm, 2.5 ml of the solution was added dropwise uniformly and then air-dried. This filter paper was suspended from the center of the ceiling of a glass chamber with 70 cm (width) ⁇ 70 cm (depth) ⁇ 70 cm (height) and therein 20 imagoes of Clogmia albipunctata were released. After 2 hours, all test pests were collected, put into a plastic cup together with absorbent cotton impregnated with 5% sugar water, and then left at 25° C. After 24 hours, the number of surviving Clogmia albipunctata was examined and the death rate was calculated (2 repetitions).
  • the death rate of the pest was 83%.
  • a 1% (w/v) solution of the present compound (31) in acetone was prepared. Onto a filter paper with 10 cm ⁇ 25 cm, 5 ml of the solution was added dropwise uniformly and then air-dried. This filter paper was suspended from the center of the ceiling center of a Peet-Grady chamber with 1.8 m (width) ⁇ 1.8 m (depth) ⁇ 1.8 m (height) and therein about 50 female imagoes of Culex pipiens pallens were released. After 1 hour, all test pests were collected, put into a plastic cup together with absorbent cotton impregnated with 5% sugar water, and then left at 25° C. After 24 hours, the number of surviving Culex pipiens pallens was examined and the death rate was calculated.
  • the death rate of the pest was 86%.
  • a 1% (w/v) solution of the present compound (31) in acetone was prepared. Onto a filter paper with 10 cm ⁇ 25 cm, 5 ml of the solution was added dropwise uniformly and then air-dried. This filter paper was suspended from the center of the ceiling center of a Peet-Grady chamber with 1.8 m (width) ⁇ 1.8 m (depth) ⁇ 1.8 m (height) and therein about 50 imagoes of Musca domestica were released. After 1 hour, all test pests were collected, put into a plastic cup together with absorbent cotton impregnated with 5% sugar water, and then left at 25° C. After 24 hours, the number of surviving Musca domestica was examined and the death rate was calculated.
  • the death rate of the pest was 92%.
  • the present compound (31) was dissolved in a 0.05% (w/v) solution of Sudan red 7B in acetone so that the present compound concentration was 0.005% (w/v) to prepare an experimental pesticidal solution.
  • a 0.05% (w/v) solution of Sudan red 7B in acetone so that the present compound concentration was 0.005% (w/v) to prepare an experimental pesticidal solution.
  • 0.2 ⁇ l of this experimental solution was added dropwise. After one day from treatment, the number of surviving pests was examined and the death rate of the pest was calculated.
  • the death rate of the pest was 100%.
  • 7.5 mg of the present compound (31) was dissolved in 30 mL of a mixture of 90 parts by weight of Isopar M (isoparaffin, the registered trade name of Exxon Chemical) and 10 parts by weight of dichloromethane to prepare a 0.025% (w/v) oil.
  • a plastic container (diameter: 9.5 cm, height: 4 cm, bottom part of 16 mesh wire) containing 10 imagoes (5 males and 5 females) of Blattella germanica was placed on the bottom of a CSMA chamber (width: 46 cm, depth: 46 cm, height: 70 cm).
  • the death rate of the pest was 100%.
  • 1% (w/v) solutions of the present compounds (4), (20), (22), (23), (24), (29), (30), (31), (35), (36), (37), (38), (46), (53), (54), (56), (57), (59), (61), (66), (67), (68), (69), (70), (71), (79), (81), (83), (84), (89), and (90) in acetone were prepared. Onto the sternum of the thorax of female imagoes of Blattella germanica, 1 ⁇ l of the acetone solution was added dropwise.
  • the imagoes were transferred to a plastic cup having a diameter of about 9 cm and a height of about 4.5 cm and left together with feed and water at 25° C. After 7 days, the number of surviving Blattella germanica was examined and the death rate of the pest was calculated. 10 imagoes of Blattella germanica were put in a cup and three replicate experiments were performed.
  • the inside wall of the plastic vat used in this experiment was coated with talc for preventing the escape of cockroaches.
  • the plastic vat contained feed and water and left at 25° C. After 7 days, Blattella germanica was observed and the death rate of the pest was calculated. This experiment was repeated two times.
  • the death rate of the pest was 97.5% in treatment with the present compound (23) and the death rate of the pest was 100% in the treatments with the present compounds (24) and (31).
  • the inside wall of the plastic vat used in this experiment was coated with talc for preventing the escape of cockroaches.
  • the plastic vat contained feed and water and left at 25° C. After 7 days, Periplaneta fuliginosa was observed and the death rate of the pest was calculated. This experiment was repeated two times.
  • the death rate of the pest was 91.7% in treatment with the present compound (23) and the death rate of the pest was 100% in the treatments with the present compounds (24) and (31).
  • a 5% (w/v) solution of the present compound (31) in acetone was prepared. 0.1 ml of the solution was added dropwise onto a filter paper with 2 cm ⁇ 2 cm and then air-dried. This filter paper was attached to the center of the inside bottom of a paper box having 10 cm (width) ⁇ 2 cm (height) ⁇ 7 cm (depth) with a two-sided tape. One hole of 2 mm in width and 2 cm in height was made through one side of this box. This box was placed in a plastic vat with 25 cm ⁇ 20 cm ⁇ 8 cm in height and therein 3 females and 3 males of Periplaneta americana were released. The inside wall of the plastic vat used in this experiment was coated with talc for preventing the escape of cockroaches. The plastic vat contained feed and water and left at 25° C. After 7 days, Periplaneta americana was observed and the death rate of the pest was calculated. This experiment was repeated two times.

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